Final answer:
The appropriate action when facing a security door issue at an airport is to report the situation to your supervisor to maintain airport security and follow correct protocols.
Step-by-step explanation:
When you come to a security door at an airport and your identification does not work, the most appropriate and professional response is to report the issue to your supervisor. This action ensures that necessary protocols are followed and the security of the airport is not compromised. Your supervisor has the authority and the means to address the problem, whether it's granting you access or getting in touch with the technical team to fix the card reader. Attempting to force the door open or ignoring the situation can lead to security breaches or personal reprimands. Waiting for someone else to open the door might seem like a harmless option, but it could result in a delay in your duties and may still be a security risk.